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Abstract
Most externally powered hand prostheses for children with a unilateral congenital below-elbow amputation are myoelectrically controlled. All of them are electrically powered.
Despite the success of fitting children with this kind of prostheses, there are some disadvantages: prosthestic weight is high, operating speed is low, the system is vulnerable and its size prohibits fitting it to patients with a long fore-am stump.
It will be shown that pneumatic power can overcome most of these disadvantages.
